Ham Radio Resources - Online
Condition Information
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Quick Look
SFI Index - High is Good (0-300) 70 not good 80 good 90 better 100+ is the best A Index - Low is Good (0-400) 1-6 is best 7-9 is ok 11 or more not so good K Index - Low is Good (0-9) 0-1 is best 2 is ok 3 or more not so good 5+ is bad Want to learn more about Solar Indices? Click here to view an article from ARRL. |